mirror of
https://github.com/libretro/dolphin
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46 lines
1.1 KiB
C++
46 lines
1.1 KiB
C++
// Copyright 2014 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#include <atomic>
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#include <thread>
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#include <gtest/gtest.h>
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#include "Common/BlockingLoop.h"
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#include "Common/Thread.h"
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TEST(BusyLoopTest, MultiThreaded)
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{
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Common::BlockingLoop loop;
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Common::Event e;
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for (int i = 0; i < 10; i++)
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{
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loop.Prepare();
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std::thread loop_thread([&]() { loop.Run([&]() { e.Set(); }); });
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// Ping - Pong
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for (int j = 0; j < 10; j++)
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{
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loop.Wakeup();
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e.Wait();
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// Just waste some time. So the main loop did fall back to the sleep state much more likely.
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Common::SleepCurrentThread(1);
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}
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for (int j = 0; j < 100; j++)
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{
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// We normally have to call Wakeup to assure the Event is triggered.
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// But this check is for an internal feature of the BlockingLoop.
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// It's implemented to fall back to a busy loop regulary.
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// If we're in the busy loop, the payload (and so the Event) is called all the time.
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// loop.Wakeup();
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e.Wait();
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}
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loop.Stop();
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loop_thread.join();
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}
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}
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